[swell-foop/arnaudb/wip/gtk4: 37/55] Adapt to Box API.

[Arnaud B. <arnaudb src gnome org>]

commit 1ccbb5767d405de5376a355744baa7ee22f27952
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Tue May 12 21:31:21 2020 +0200

    Adapt to Box API.

 src/window.vala | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/window.vala b/src/window.vala
index dd4591d..2776b5c 100644
--- a/src/window.vala
+++ b/src/window.vala
@@ -111,11 +111,11 @@ private class SwellFoopWindow : ApplicationWindow
         {
             var stack = build_first_run_stack ();
             stack.add_named (view, "game");
-            main_box.pack_start (stack, true, true);
+            main_box.add (stack);
         }
         else
         {
-            main_box.pack_start (view, true, true);
+            main_box.add (view);
             init_keyboard ();
         }
     }